xAI API

Grok models behind an OpenAI-compatible endpoint.

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Price per million tokens

List price, read from the provider's own page · verified 2026-08-04

ModelInput / 1MOutput / 1MCached in
grok-4.20-0309-non-reasoning$1.25$2.5
grok-4.20-0309-reasoning$1.25$2.5
grok-4.20-multi-agent-0309$1.25$2.5
grok-4.3$1.25$2.5
grok-4.5$2$6
grok-build-0.1$1$2

Compared with

Missing a model, or a price that moved? Prices here are only ever copied from the vendor's own page and stamped with the date they were read — never estimated. A verified run measures what the price table cannot: time to first token, throughput under concurrency, function-calling reliability.